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Finding the Fourth Proportional to 125,404.61, 188,125.27 and 58,851.46

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Solution

The fourth proportional to 125,404.61, 188,125.27 and 58,851.46 is: 88,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,404.61 : 188,125.27 = 58,851.46 : x
  2. Step 2: Convert to fraction form
    125,404.61/188,125.27 = 58,851.46/x
  3. Step 3: Cross multiply
    125,404.61x = 188,125.27 × 58,851.46
  4. Step 4: Simplify right side
    125,404.61x = 11,071,446,890.42
  5. Step 5: Solve for x
    x = 11,071,446,890.42/125,404.61
  6. Step 6: Final answer
    x = 88,285.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.